Towing and tow-starting
330
X
Electrical consumers can be switched on
again. Do not switch the lights on, however,
as this will overload the battery.
X Remove the jump lead from earth
point 1and negative terminal 3first,
then from positive terminal 2and positive
terminal 4, each time disconnecting from
the battery on your own vehicle first.
i The message Battery protection:
some convenience functions cur-
rently not available may appear in the
multi-function display. It disappears as
soon as the battery is sufficiently charged.
X Have the battery checked at a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre. Towing and tow-starting
Points to remember
G
Risk of accident
If you tow the vehicle, you must use a rigid
towing bar if:
R the engine is not running
R there is a brake system malfunction
R the voltage supply or the vehicle's elec-
trical system is damaged
The electric power steering and the brake
force booster do not work when the engine
is not running. Greater braking force will
then be required and the brake pedal travel
will be longer. If necessary, depress the
brake pedal with maximum force.
Do not tow the vehicle if the key cannot be
turned in the ignition lock. If this is the case,
the steering is locked and the vehicle can-
not be steered.
If you tow or tow-start another vehicle, its
weight must not exceed the maximum per-
missible gross vehicle weight of your vehi-
cle.
It is better to have the vehicle transported
than to have it towed. When towing, observe the legal requirements
in all countries concerned.
!
When towing, pull away slowly and with-
out jerking. If the tractive power is too high,
the vehicles could be damaged.
! Do not use the towing eye for recovery,
as this will damage the vehicle. If in doubt
recover the vehicle with a crane.
! You may tow the vehicle for a maximum
of 50 km. A towing speed of 50 km/h must
not be exceeded.
With towing distances over 50 km, the
entire vehicle needs to be lifted up and
transported.
! On vehicles with KEYLESS GO*: use the
key instead of the KEYLESS GO * button.
Turn the key to position 2in the ignition
lock and set the automatic transmission to
N. Then turn the key back to 0and leave it
in the ignition lock.
! Only secure the tow cable or towing bar
to the towing eyes. You may otherwise
damage the vehicle. Practical advice
* optional
251_AKB; 5; 7, en-GB
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Trailer coupling*
354 Trailer coupling*
Mounting dimensions
G
Risk of accident
Only have a trailer coupling retrofitted at a
qualified specialist workshop which has the
necessary specialist knowledge and tools
to carry out the work required. Mercedes-
Benz recommends that you use a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety
or on safety-related systems must be car-
ried out at a qualified specialist workshop.
! If you have a trailer tow hitch retrofitted,
changes to the cooling system may be nec-
essary, depending on the vehicle type.
If you have a trailer tow hitch retrofitted,
observe the anchorage points on the chas-
sis frame. Anchorage points for the trailer coupling
1
Anchorage points
2 Overhang dimension
3 Rear axle centre line For trailer tow hitches fitted at the factory, the
overhang dimension is 1,104 mm. Trailer loads
All models
Permissible trailer load,
unbraked 750 kg
Permissible trailer load,
braked
53 2,100 kg
Maximum drawbar nose-
weight
54 85 kg
53
At a minimum gradient-climbing capability of 12% from a standstill.
54 The drawbar noseweight is not included in the trailer load. Technical data
* optional
251_AKB; 5; 7, en-GB
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